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Diffstat (limited to 'src/net/sf/antcontrib/cpptasks/compiler/CommandLineLinker.java')
| -rw-r--r-- | src/net/sf/antcontrib/cpptasks/compiler/CommandLineLinker.java | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/src/net/sf/antcontrib/cpptasks/compiler/CommandLineLinker.java b/src/net/sf/antcontrib/cpptasks/compiler/CommandLineLinker.java new file mode 100644 index 0000000..f9e4761 --- /dev/null +++ b/src/net/sf/antcontrib/cpptasks/compiler/CommandLineLinker.java @@ -0,0 +1,406 @@ +/* + * + * Copyright 2002-2004 The Ant-Contrib project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package net.sf.antcontrib.cpptasks.compiler; + +import java.io.File; +import java.io.FileWriter; +import java.io.IOException; +import java.util.Enumeration; +import java.util.Vector; + +import net.sf.antcontrib.cpptasks.CCTask; +import net.sf.antcontrib.cpptasks.CUtil; +import net.sf.antcontrib.cpptasks.LinkerDef; +import net.sf.antcontrib.cpptasks.ProcessorDef; +import net.sf.antcontrib.cpptasks.ProcessorParam; +import net.sf.antcontrib.cpptasks.types.CommandLineArgument; +import net.sf.antcontrib.cpptasks.types.LibrarySet; +import net.sf.antcontrib.cpptasks.TargetDef; +import net.sf.antcontrib.cpptasks.VersionInfo; + +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.types.Environment; + + +/** + * An abstract Linker implementation that performs the link via an external + * command. + * + * @author Adam Murdoch + */ +public abstract class CommandLineLinker extends AbstractLinker +{ + private String command; + private Environment env = null; + private String identifier; + private String identifierArg; + private boolean isLibtool; + private String[] librarySets; + private CommandLineLinker libtoolLinker; + private boolean newEnvironment = false; + private String outputSuffix; + + + /** Creates a comand line linker invocation */ + public CommandLineLinker(String command, + String identifierArg, + String[] extensions, + String[] ignoredExtensions, String outputSuffix, + boolean isLibtool, CommandLineLinker libtoolLinker) + { + super(extensions, ignoredExtensions); + this.command = command; + this.identifierArg = identifierArg; + this.outputSuffix = outputSuffix; + this.isLibtool = isLibtool; + this.libtoolLinker = libtoolLinker; + } + protected abstract void addBase(long base, Vector args); + + protected abstract void addFixed(Boolean fixed, Vector args); + + abstract protected void addImpliedArgs(boolean debug, + LinkType linkType, Vector args); + protected abstract void addIncremental(boolean incremental, Vector args); + + // + // Windows processors handle these through file list + // + protected String[] addLibrarySets(CCTask task, LibrarySet[] libsets, Vector preargs, + Vector midargs, Vector endargs) { + return null; + } + protected abstract void addMap(boolean map, Vector args); + protected abstract void addStack(int stack, Vector args); + protected abstract void addEntry(String entry, Vector args); + + protected LinkerConfiguration createConfiguration( + CCTask task, + LinkType linkType, + ProcessorDef[] baseDefs, LinkerDef specificDef, TargetDef targetPlatform, + VersionInfo versionInfo) { + + Vector preargs = new Vector(); + Vector midargs = new Vector(); + Vector endargs = new Vector(); + Vector[] args = new Vector[] { preargs, midargs, endargs }; + + LinkerDef[] defaultProviders = new LinkerDef[baseDefs.length+1]; + defaultProviders[0] = specificDef; + for(int i = 0; i < baseDefs.length; i++) { + defaultProviders[i+1] = (LinkerDef) baseDefs[i]; + } + // + // add command line arguments inherited from <cc> element + // any "extends" and finally the specific CompilerDef + CommandLineArgument[] commandArgs; + for(int i = defaultProviders.length-1; i >= 0; i--) { + commandArgs = defaultProviders[i].getActiveProcessorArgs(); + for(int j = 0; j < commandArgs.length; j++) { + args[commandArgs[j].getLocation()]. + addElement(commandArgs[j].getValue()); + } + } + + Vector params = new Vector(); + // + // add command line arguments inherited from <cc> element + // any "extends" and finally the specific CompilerDef + ProcessorParam[] paramArray; + for (int i = defaultProviders.length - 1; i >= 0; i--) { + paramArray = defaultProviders[i].getActiveProcessorParams(); + for (int j = 0; j < paramArray.length; j++) { + params.add(paramArray[j]); + } + } + + paramArray = (ProcessorParam[])(params.toArray(new ProcessorParam[params.size()])); + + boolean debug = specificDef.getDebug(baseDefs,0); + + + String startupObject = getStartupObject(linkType); + + addImpliedArgs(debug, linkType, preargs); + addIncremental(specificDef.getIncremental(defaultProviders,1), preargs); + addFixed(specificDef.getFixed(defaultProviders,1), preargs); + addMap(specificDef.getMap(defaultProviders,1), preargs); + addBase(specificDef.getBase(defaultProviders,1), preargs); + addStack(specificDef.getStack(defaultProviders,1), preargs); + addEntry(specificDef.getEntry(defaultProviders, 1), preargs); + + String[] libnames = null; + LibrarySet[] libsets = specificDef.getActiveLibrarySets(defaultProviders,1); + if (libsets.length > 0) { + libnames = addLibrarySets(task, libsets, preargs, midargs, endargs); + } + + StringBuffer buf = new StringBuffer(getIdentifier()); + for (int i = 0; i < 3; i++) { + Enumeration argenum = args[i].elements(); + while (argenum.hasMoreElements()) { + buf.append(' '); + buf.append(argenum.nextElement().toString()); + } + } + String configId = buf.toString(); + + String[][] options = new String[][] { + new String[args[0].size() + args[1].size()], + new String[args[2].size()] }; + args[0].copyInto(options[0]); + int offset = args[0].size(); + for (int i = 0; i < args[1].size(); i++) { + options[0][i+offset] = (String) args[1].elementAt(i); + } + args[2].copyInto(options[1]); + + + boolean rebuild = specificDef.getRebuild(baseDefs,0); + boolean map = specificDef.getMap(defaultProviders,1); + + //task.log("libnames:"+libnames.length, Project.MSG_VERBOSE); + return new CommandLineLinkerConfiguration(this,configId,options, + paramArray, + rebuild,map, debug,libnames, startupObject); + } + + /** + * Allows drived linker to decorate linker option. + * Override by GccLinker to prepend a "-Wl," to + * pass option to through gcc to linker. + * + * @param buf buffer that may be used and abused in the decoration process, + * must not be null. + * @param arg linker argument + */ + protected String decorateLinkerOption(StringBuffer buf, String arg) { + return arg; + } + + protected final String getCommand() { + return command; + } + protected abstract String getCommandFileSwitch(String commandFile); + + + public String getIdentifier() { + if(identifier == null) { + if (identifierArg == null) { + identifier = getIdentifier(new String[] { command }, command); + } else { + identifier = getIdentifier(new String[] { command, identifierArg }, + command); + } + } + return identifier; + } + public final CommandLineLinker getLibtoolLinker() { + if (libtoolLinker != null) { + return libtoolLinker; + } + return this; + } + protected abstract int getMaximumCommandLength(); + + public String[] getOutputFileNames(String baseName, VersionInfo versionInfo) { + return new String[] { baseName + outputSuffix }; + } + + protected String[] getOutputFileSwitch(CCTask task, String outputFile) { + return getOutputFileSwitch(outputFile); + } + protected abstract String[] getOutputFileSwitch(String outputFile); + protected String getStartupObject(LinkType linkType) { + return null; + } + + /** + * Performs a link using a command line linker + * + */ + public void link(CCTask task, + File outputFile, + String[] sourceFiles, + CommandLineLinkerConfiguration config) + throws BuildException + { + File parentDir = new File(outputFile.getParent()); + String parentPath; + try { + parentPath = parentDir.getCanonicalPath(); + } catch(IOException ex) { + parentPath = parentDir.getAbsolutePath(); + } + String[] execArgs = prepareArguments(task, parentPath,outputFile.getName(), + sourceFiles, config); + int commandLength = 0; + for(int i = 0; i < execArgs.length; i++) { + commandLength += execArgs[i].length() + 1; + } + + // + // if command length exceeds maximum + // then create a temporary + // file containing everything but the command name + if(commandLength >= this.getMaximumCommandLength()) { + try { + execArgs = prepareResponseFile(outputFile,execArgs); + } + catch(IOException ex) { + throw new BuildException(ex); + } + } + + int retval = runCommand(task,parentDir,execArgs); + // + // if the process returned a failure code then + // throw an BuildException + // + if(retval != 0) { + // + // construct the exception + // + throw new BuildException(this.getCommand() + " failed with return code " + retval, task.getLocation()); + } + + } + + + /** + * Prepares argument list for exec command. Will return null + * if command line would exceed allowable command line buffer. + * + * @param outputFile linker output file + * @param sourceFiles linker input files (.obj, .o, .res) + * @param args linker arguments + * @return arguments for runTask + */ + protected String[] prepareArguments( + CCTask task, + String outputDir, + String outputFile, + String[] sourceFiles, + CommandLineLinkerConfiguration config) { + + String[] preargs = config.getPreArguments(); + String[] endargs = config.getEndArguments(); + String outputSwitch[] = getOutputFileSwitch(task, outputFile); + int allArgsCount = preargs.length + 1 + outputSwitch.length + + sourceFiles.length + endargs.length; + if (isLibtool) { + allArgsCount++; + } + String[] allArgs = new String[allArgsCount]; + int index = 0; + if (isLibtool) { + allArgs[index++] = "libtool"; + } + allArgs[index++] = this.getCommand(); + StringBuffer buf = new StringBuffer(); + for (int i = 0; i < preargs.length; i++) { + allArgs[index++] = decorateLinkerOption(buf, preargs[i]); + } + for (int i = 0; i < outputSwitch.length; i++) { + allArgs[index++] = outputSwitch[i]; + } + for (int i = 0; i < sourceFiles.length; i++) { + allArgs[index++] = prepareFilename(buf,outputDir,sourceFiles[i]); + } + for (int i = 0; i < endargs.length; i++) { + allArgs[index++] = decorateLinkerOption(buf, endargs[i]); + } + return allArgs; + } + + /** + * Processes filename into argument form + * + */ + protected String prepareFilename(StringBuffer buf, + String outputDir, String sourceFile) { + String relativePath = CUtil.getRelativePath(outputDir, + new File(sourceFile)); + return quoteFilename(buf,relativePath); + } + + /** + * Prepares argument list to execute the linker using a + * response file. + * + * @param outputFile linker output file + * @param args output of prepareArguments + * @return arguments for runTask + */ + protected String[] prepareResponseFile(File outputFile,String[] args) throws IOException + { + String baseName = outputFile.getName(); + File commandFile = new File(outputFile.getParent(),baseName + ".rsp"); + FileWriter writer = new FileWriter(commandFile); + int execArgCount = 1; + if (isLibtool) { + execArgCount++; + } + String[] execArgs = new String[execArgCount+1]; + for (int i = 0; i < execArgCount; i++) { + execArgs[i] = args[i]; + } + execArgs[execArgCount] = getCommandFileSwitch(commandFile.toString()); + for(int i = execArgCount; i < args.length; i++) { + // + // if embedded space and not quoted then + // quote argument + if (args[i].indexOf(" ") >= 0 && args[i].charAt(0) != '\"') { + writer.write('\"'); + writer.write(args[i]); + writer.write("\"\n"); + } else { + writer.write(args[i]); + writer.write('\n'); + } + } + writer.close(); + return execArgs; + } + + + protected String quoteFilename(StringBuffer buf,String filename) { + if(filename.indexOf(' ') >= 0) { + buf.setLength(0); + buf.append('\"'); + buf.append(filename); + buf.append('\"'); + return buf.toString(); + } + return filename; + } + + /** + * This method is exposed so test classes can overload + * and test the arguments without actually spawning the + * compiler + */ + protected int runCommand(CCTask task, File workingDir,String[] cmdline) + throws BuildException { + return CUtil.runCommand(task,workingDir,cmdline, newEnvironment, env); + } + + protected final void setCommand(String command) { + this.command = command; + } + +} |